Colomba weather in May

In May, Colomba sees average daytime highs of 25°C and overnight lows near 18°C, with 607 mm of rain across 30.4 wet days and about 12.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels humid.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Colomba's 7th-clearest and 7th-windiest month. For the whole year in context, see Colomba's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
607 mm
30.4 wet days
Daylight
12 h 42 min
5:43 AM – 6:24 PM
Cloud cover
82%
7th clearest
Wind
4 km/h
7th windiest
Solar energy
5.57 kWh/m²
Travel score
3.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Colomba reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222518
232418
242418
252418
262418
272418
282418
292418
302418
312418

Colomba weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°4916.511.26.4
Feb24° / 16°5115.911.56.1
Mar25° / 16°11123.811.95.0
Apr25° / 17°24326.512.34.3
May25° / 18°60730.412.73.6
Jun24° / 18°54629.812.93.5
Jul24° / 18°49230.912.83.5
Aug24° / 18°55530.912.53.5
Sep24° / 18°63029.912.13.5
Oct24° / 17°52530.811.73.6
Nov24° / 17°22326.611.34.4
Dec24° / 16°7219.411.15.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32575
42476
52377
62278
72278
82179
91981
101882
111783
121684
131585
141486
151288
161288
171189
181189
19991
20991
21991
22892
23793
24793
25793
26793
27793
28694
29694
30694
31694

Chance of precipitation in May

Any precipitation

Colomba gets around 607 mm of rain over 30.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
296
396
497
597
697
798
898
998
1098
1198
1298
1398
1498
1598
1698
1798
1898
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3099
3199

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
136037
235938
335740
425741
525642
625543
715544
815445
915346
1015247
1115148
1215148
1315049
1414950
1514851
1614752
1714752
1814653
1914653
2014653
2114653
2214653
2314752
2414752
2514851
2614851
2714950
2814950
2915049
3015049
3115049

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:49 AM to 5:40 AM, and sunset from 6:20 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:496:20
212.55:486:20
312.55:486:20
412.65:476:20
512.65:476:21
612.65:466:21
712.65:466:21
812.65:456:21
912.65:456:22
1012.65:456:22
1112.65:446:22
1212.65:446:22
1312.75:446:23
1412.75:436:23
1512.75:436:23
1612.75:436:24
1712.75:426:24
1812.75:426:24
1912.75:426:24
2012.75:426:25
2112.75:426:25
2212.75:416:25
2312.75:416:26
2412.85:416:26
2512.85:416:26
2612.85:416:27
2712.85:416:27
2812.85:416:27
2912.85:406:28
3012.85:406:28
3112.85:406:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.27 kWh/m² in April across the year — May's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in May

Hazard calendar for Colomba

In seasonPeak

In May, Colomba sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Colomba sits in the Atlantic hurricane belt; the season peaks August–October.

Colomba's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Colomba?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
7th-best month of the year
3.2
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Colomba.

What to pack for Colomba in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Colomba sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

Sea temperature near Colomba in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in August at about 30°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Colomba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colomba peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 12UV 14Dec 16UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Colomba in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Colomba is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Colomba?

Colomba sits at 14.7°N, 91.7°W, 1,011 m above sea level, in Guatemala. The nearest listed city is El Asintal, 12 km away.

Topography around Colomba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colomba.

Within 3 km, the terrain around Colomba has significant variations in elevation — a maximum elevation change of 576 m around an average of 974 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,953 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Colomba is covered by trees (94%) within 3 km, trees (92%) within 16 km, and trees (59%) within 80 km.

3 km
576 m
16 km
2,953 m
80 km
4,178 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: El Asintal 12 km · Nuevo San Carlos 13 km · Coatepeque 14 km · San Felipe 17 km · El Palmar 18 km · San Sebastián 18 km · Retalhuleu 20 km · Ostuncalco 22 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Colomba (14.7073°, -91.7317°, elevation 1,011 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).